CAS No.1302-78-9,Bentonite Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	1302-78-9
Name:	Bentonite

Formula:	Al₂O₃^.4(SiO₂)^.H₂O
Molecular Weight:	360.31
Synonyms:	Benclay;BentoGrout;Bentonit T;Bentonite AG 3;Berugen;Bragel FF;Bulgarben BA;Clarit BW 100;Clarsol STF;Culvin;Detercal G 2FC;Detersoft GIB;EX 0276;Ex 0030;Exaloid;Filgel;Fulbent 570;GK 129SA3;GK 129SA5;HFGEL160;Haruna;Hi-Jell 1;Hydrocol OW;ImviteFGB;JF 38;K 306;K 306 (mineral);KA 1 (clay);Korthix H;Korthix H-NF;Kunigel GS;KunigelV 2;Kunigel VI;Kunimine VA;Polargel T;Premium Gel;QPC 300;S-Ben;S-Ben X;Steecoben;Steecomull;Tixogel WM;Tone;Tyotix 55M;Gumbrin;881B;Aquagel;AquagelGold Seal;Asama;B 5IC;Baroco;Ben-Gel 11;Ben-Gel15;Ben-Gel 23;Ben-Gel Brite 25;Ben-Gel FW;Ben-Gel HVP;Ben-Gel N 400;LPM 8050;Laundrosil DG;Laundrosil DG-A;Laundrosil DG-A 212;Laundrosil DG-A 462;Laundrosil EX 0242;Laundrosil PR 414;Laviosa AGB;Lightcoat;M-I Gel;M-I GelSupreme;MX 80;Majorbenton B;Meyprofiller K;Mikrofloc S;Monobent W;NaCalit;Nalco 650;Odoearth KH 101;Opazil AO;Opazil EX 408EP;Optigel CG;Optigel CK;Optigel WX;Permont SX 10A;Pitchbent M;Pluxcompact;
EINECS:	215-108-5
Density:	2~3 g/cm³
Boiling Point:	381.8oC at 760mmHg
Flash Point:	184.7oC
Solubility:	Insoluble in water and forms a colloidal solution.
Appearance:	gel, or solid if dry
Hazard Symbols:	R20/22:; R8:;
Risk Codes:	20/22-8
Safety:	22-24/25
PSA:	189.16000
LogP:	-2.61890

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History

In 2005, U.S. was the top producer of bentonite with almost one-third world share followed by China and Greece, reports the British Geological Survey.
The absorbent clay was given the name bentonite by Wilbur C. Knight in 1898 — after the Cretaceous Benton Shale near Rock River, Wyoming. Other modern discoveries include montmorillonite discovered in 1847 in Montmorillon in the Vienne prefecture of France, in Poitou-Charentes, South of the Loire Valley.

Consensus Reports

Reported in EPA TSCA Inventory.

Specification

Bentonite (CAS NO.1302-78-9), its Synonyms are Accugel F ; Akajo ; Albagel Premium USP 4444 ; Altonit SF ; Aquagel ; Aquagel Gold Seal ; Bentonite magma ; Bentonite, calcian-sodian ; Detercal G 2FC ; Detercol P 2 ; Panther creek bentonite ; Southern bentonite . It is gel, or solid if dry. Bentonite is an absorbent aluminium phyllosilicate, essentially impure clay consisting mostly of montmorillonite. There are different types of bentonite, each named after the respective dominant element, such as potassium (K), sodium (Na), calcium (Ca), and aluminium (Al).

Physical properties about Bentonite are: (1)ACD/LogP: 2.566; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 2.45; (4)ACD/LogD (pH 7.4): 2.56; (5)ACD/BCF (pH 5.5): 39.93; (6)ACD/BCF (pH 7.4): 52.28; (7)ACD/KOC (pH 5.5): 450.91; (8)ACD/KOC (pH 7.4): 590.36; (9)#H bond acceptors: 13; (10)#Freely Rotating Bonds: 12; (11)Index of Refraction: 1.503; (12)Molar Refractivity: 56.871 cm³; (13)Molar Volume: 192.253 cm³; (14)Polarizability: 22.545 10-24cm³; (15)Surface Tension: 58.2770004272461 dyne/cm; (16)Density: 1.478 g/cm³; (17)Flash Point: 184.73 °C; (18)Enthalpy of Vaporization: 63.017 kJ/mol; (19)Boiling Point: 381.839 °C at 760 mmHg

Uses of Bentonite: (1) Bentonite is a common component of drilling mud used to curtail drilling fluid invasion by its propensity for aiding in the formation of mud cake. Bentonite can be used in cement, adhesives, ceramic bodies, and cat litter. (2) Bentonite is also used as a binding agent in the manufacture of taconite pellets as used in the steelmaking industry. (3) Bentonite, in small percentages, is used as an ingredient in commercially designed clay bodies and ceramic glazes. (4) Bentonite clay is also used in pyrotechnics to make end plugs and rocket nozzles.Bentonite is therefore uniquely useful in the process of winemaking, where it is used to remove excessive amounts of protein from white wines. (5) Bentonite has been prescribed as a bulk laxative, and it is also used as a base for many dermatologic formulas. There are also many other medicinal uses for Bentonite and related clays. Clay has been used for healing from prehistoric times onwards. See Medicinal clay.

When you are using this chemical, please be cautious about it as the following:
1. Do not breathe dust;
2. Avoid contact with skin and eyes;

You can still convert the following datas into molecular structure:
(1)InChI=1S/2Al.O2Si.H2O.3O/c;;1-3-2;;;;/h;;;1H2;;;;
(2)InChIKey=SVPXDRXYRYOSEX-UHFFFAOYSA-N;
(3)SmilesO=[AlH]O[AlH]=O.[SiH2](=O)=O.O;

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
dog	LDLo	intravenous	10mg/kg (10mg/kg)	VASCULAR: THROMBOSIS DISTANT FROM INJECTION SITE	Journal of Clinical Investigation. Vol. 42, Pg. 860, 1963.
rat	LD50	intravenous	35mg/kg (35mg/kg)	LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA	Bolletino della Societe Italiana di Biologia Sperimentale. Vol. 44, Pg. 1685, 1968.